// Copyright 2023 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

goog.module('j2wasm.DoubleUtils');


/**
 * @param {string} str
 * @return {boolean} Whether the argument is a valid Java double parsing input.
 */
function isValidDouble(str) {
  return /^\s*[+-]?(NaN|Infinity|((\d+\.?\d*)|(\.\d+))([eE][+-]?\d+)?[dDfF]?)\s*$/
      .test(str);
}

/**
 * @param {number} x
 * @param {number} y
 * @return {number}
 */
function dmod(x, y) {
  return x % y;
}


exports = {
  isValidDouble,
  dmod
};
